Function: 1. Multi-effect,easy to carry; 2. Has 4 modes to choose from. 3. Ice sense of bright eyes,can reduce eye edema,vitality reproduction. 4. Sense of relaxation,can alleviate the eye with a long time caused by eye fatigue and dryness. 5. Alternating hot and cold to help alleviate dark circles and early eye fine lines formation. 6. Acupoint circulation vibration massage,relieving eye fatigue effectively. 7. Bulit in high-efficiency lithium battery,life longer,travel companions worry-fee. Specifications: Parameters: 5V 1A 5W Inner means: 18.5*4.4*3cm Carton size: 45.1*27.9*23.2cm N.W:0.16KG G.W:0.49KG PCS/CTN:20